REX VAN DER SPUY AdvancED Game Design with Flash All the essential techniques that every game designer should know Physics for games, pathfinding, game structure with the MVC design pattern, tile-based games, vector math, and advanced collision detection strategies AS3.0 Code compatible with Flash CS3 – CS5, Flash Builder, and the open-source Flex SDK Download from Wow! eBook AdvancED Game Design with Flash Rex van der Spuy AdvancED Game Design with Flash AdvancED Game Design with Flash Copyright © 2010 by Rex van der Spuy All rights reserved No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher ISBN-13 (pbk): 978-1-4302-2739-7 ISBN-13 (electronic): 978-1-4302-2740-3 Printed and bound in the United States of America Trademarked names, logos, and images may appear in this book Rather than use a trademark symbol with every occurrence of a trademarked name, logos, or image we use the names, logos, or images only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark The use in this publication of trade names, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights Distributed to the book trade worldwide by Springer Science+Business Media LLC., 233 Spring Street, 6th Floor, New York, NY 10013 Phone 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springer-sbm.com, or visit www.springeronline.com For information on translations, please e-mail rights@apress.com or visit www.apress.com Apress and friends of ED books may be purchased in bulk for academic, corporate, or promotional use eBook versions and licenses are also available for most titles For more information, reference our Special Bulk Sales–eBook Licensing web page at www.apress.com/info/bulksales The information in this book is distributed on an “as is” basis, without warranty Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work The source code for this book is freely available to readers at www.friendsofed.com in the Downloads section Credits President and Publisher: Paul Manning Lead Editor: Ben Renow-Clarke Technical Reviewer: Joshua Freeney Editorial Board: Clay Andres, Steve Anglin, Mark Beckner, Ewan Buckingham, Gary Cornell, Jonathan Gennick, Jonathan Hassell, Michelle Lowman, Matthew Moodie, Duncan Parkes, Jeffrey Pepper, Frank Pohlmann, Douglas Pundick, Ben Renow-Clarke, Dominic Shakeshaft, Matt Wade, Tom Welsh Coordinating Editor: Kelly Moritz Copy Editor: Marilyn Smith Compositor: Lynn L’Heureux Indexer: Brenda Miller Artist: April Milne Cover Designer: Bruce Tang For Mom and Jim, for all your love and support ... from Wow! eBook AdvancED Game Design with Flash Rex van der Spuy AdvancED Game Design with Flash AdvancED Game Design with Flash Copyright © 2010 by Rex van der Spuy All rights... trademark symbol with every occurrence of a trademarked name, logos, or image we use the names, logos, or images only in an editorial fashion and to the benefit of the trademark owner, with no intention... is” basis, without warranty Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect